Rotary pump



v(No Model.) '2 SheetsS11eet 1.

J, M. WILES.

' ROTARY PUMBY' No.-295,704. Patented Mar. 25., 1884.

(No Model) 2'Sheets-Sheet 2. V

J. M. WIL ES.

. I ROTARY PUMP. No. 295.704. Patented Mar. 25, 1884.

. To (.LZZ whomgit nuty concern:

UNITED TATES ATENT OFFICE.

JOHN M. WILES, OF'BUTTE CITY, CALIFORNIA.

Roi-A RY PUIM P.

SPECIPIC'ATI ONIQrrning part of Letters Patent No;d295,704, datedMarcliZS, 1884.

Application filed September 1, 1883. (No model.)

Be it know'n that .1, JOHN M; sum of l Butte Qity, county of Oolu'sa,and State of Oalifornia, have in ventedan Improvementin Ho tary Pumps;and Thereby declarethe following tobea full, clear, and exactdescription thereof.

Myinvention'u'elates to certain improvenents in rotary pumps; and itconsists of an exterior case with inlet and dischargepassagesfanflintcriorcylindrical drum revolving upon anlaXis,-which-isplaced. eccentric to the outercaseand slotted to receive buckets, andaloose elastic ring which isplaced within the drum and the inner edgesof the buckets, against which it presses and holdsthem out to the innerfaceof the case. c l

c It also consists of certain details of construction, whichwill be morefully explained by reference to the accompanying drawings, in

wvhich- Figure 1 is a vertical section of the pump,

taken transverse to the shaft. Fig. 2is a vertical section in a planethrough the axis of the shaft.. Fig. 3 is a section of the drum. Fig.

. 4 is an elevation of the drum. Fig. 5 is a perspective View of thedrum. Fig. 6 is a View of one of the buckets. Fig. 7 is a horizontalsection of the pump, the upper portion of the drum being broken away. i

A is the'outer case, which is in the form of a cylinder, and has aninlet-passage, B, and an outlet, G. A shaft, D, passes through the endsof the case, but at one side of the center, and it has a cylindricaldrum, E, keyed to it, so

i as to be revolved by power applied to the shaft exterior to the case.This drum has radial slots F, extending from its periphery towardthe'center, into which the buckets G are fitted to slide. A looseelastic ring, H, is dropped into the drum E from one end, and the, inneredges of the buckets have notches I, which fit over the ring and keep itin a central position.

.When all the parts are in place, one side of the drum comes in closecontact with the in terior of the case just below theoutlet-passage,while from the position of the drum within the case there will be acrescent-shaped space upon the opposite side. The outer edges ofthebuckets are kept in contact with the inner circunr ference of the caseby the pressure of the clastic ring H against their inner edges, asshown.

The inlet-passage is at the bottom of the case, i

and when the drum is revolved the buckets are carried around, andbyreason of the shape of thespace between the drum and interior of thecase, water or other liquid or fluid is drawn into the case through theinlet-passage,and is carried around and forced out through the outlet.The buckets are forced out to the full distance between the drum and thecase by the pressure of the interior elastic ring, and they areprevented from catching,when they pass the inlet or discharge openings,by bridges J, which crossthese openings, asshown. .If any thingobstructs the movement of the buckets, the elastic ring allows' them tobe forced back in the radial slots without interfering with theirforward movement, and as soon. as the obstruction is passed the ringforces them out again to the inside of the drum.

Having thus described my invention, what I S. H. N oURsE, HENRY 0. LEE.

